Using Dynamic Attributes - Part 2: Showing Elements Based on Condition

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#1

Dynamically show/hide HTML and Bootstrap 4 elements based on Events

We'd like to hide the personal details container when the user has not agreed to the terms and conditions by selecting the checkbox.

 
Step 1: First, we have selected the row which is the parent that we put the “Personal Details” area inside, and given the parent container row an id called, “personaldetails”(1).


 
Step 2: Click the add dynamic attribute button.


 
Step 2b: Select display.


 
Step 2c: Select show


 
Step 3: The “Show” attribute has been added to the div. Now let’s select when the div should be shown.
Click the dynamic data picker icon.


 
Step 3b: Expand the checkbox attribute in the Data Bindings dialog. Choose the “checked” property and click the select button. Wappler adds an expression automatically just like the previous tutorial.


 
Demonstration: Now, our “Personal Details” div container will only be displayed when the “terms and conditions” checkbox is checked.


 

You can see this immediately in live design view.


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